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Release notes

Changelog

Percona Server has extended the SELECT INTO ... OUTFILE and SELECT INTO DUMPFILE to add the support for UNIX sockets and named pipes.

Percona Server now provides additional information in the slow query log when log_slow_rate_limit variable is enabled.

A new variable slow_query_log_always_write_time has been introduced. It can be used to specify an additional execution time threshold for the slow query log, that, when exceeded, will cause a query to be logged unconditionally, that is, log_slow_rate_limit will not apply to it.

Utility user feature has been extended by adding a new utility_user_privileges that allows a comma separated value list of extra access privileges that can be granted to the utility user.

Bugs Fixed

Due to an incompatible upstream change that went in unnoticed, the log tracker thread would attempt to replay any file operations it encountered. In most cases this were a no-op, but there were race conditions for certain DDL operations that would have resulted in server crash. Bug fixed #1217002.